[Coverity] Remove throw qualifiers in src/smtremove_throw

Addresses coverity issues:

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1 files changed, 8 insertions, 9 deletions

diff --git a/src/smt/smt_engine.h b/src/smt/smt_engine.h
index f1ce2e0e9..d17dd204b 100644
--- a/src/smt/smt_engine.h
+++ b/src/smt/smt_engine.h
@@ -394,7 +394,7 @@ class CVC4_PUBLIC SmtEngine {
    * or INVALID query).  Only permitted if CVC4 was built with model
    * support and produce-models is on.
    */
-  Model* getModel() throw(ModalException, UnsafeInterruptException);
+  Model* getModel();
 
   // disallow copy/assignment
   SmtEngine(const SmtEngine&) CVC4_UNDEFINED;
@@ -443,8 +443,7 @@ public:
   /**
    * Query information about the SMT environment.
    */
-  CVC4::SExpr getInfo(const std::string& key) const
-    throw(OptionException, ModalException);
+  CVC4::SExpr getInfo(const std::string& key) const;
 
   /**
    * Set an aspect of the current SMT execution environment.
@@ -533,21 +532,21 @@ public:
    * this function returns true if the expression was added and false
    * if this request was ignored.
    */
-  bool addToAssignment(const Expr& e) throw();
+  bool addToAssignment(const Expr& e);
 
   /**
    * Get the assignment (only if immediately preceded by a SAT or
    * INVALID query).  Only permitted if the SmtEngine is set to
    * operate interactively and produce-assignments is on.
    */
-  CVC4::SExpr getAssignment() throw(ModalException, UnsafeInterruptException);
+  CVC4::SExpr getAssignment();
 
   /**
    * Get the last proof (only if immediately preceded by an UNSAT
    * or VALID query).  Only permitted if CVC4 was built with proof
    * support and produce-proofs is on.
    */
-  Proof* getProof() throw(ModalException, UnsafeInterruptException);
+  Proof* getProof();
 
   /**
    * Print all instantiations made by the quantifiers module.
@@ -580,13 +579,13 @@ public:
    * UNSAT or VALID query).  Only permitted if CVC4 was built with
    * unsat-core support and produce-unsat-cores is on.
    */
-  UnsatCore getUnsatCore() throw(ModalException, UnsafeInterruptException);
+  UnsatCore getUnsatCore();
 
   /**
    * Get the current set of assertions.  Only permitted if the
    * SmtEngine is set to operate interactively.
    */
-  std::vector<Expr> getAssertions() throw(ModalException);
+  std::vector<Expr> getAssertions();
 
   /**
    * Push a user-level context.
@@ -596,7 +595,7 @@ public:
   /**
    * Pop a user-level context.  Throws an exception if nothing to pop.
    */
-  void pop() throw(ModalException, UnsafeInterruptException);
+  void pop();
 
   /**
    * Completely reset the state of the solver, as though destroyed and